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Home >> Kia >> 2017 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • HO2S output value inspection under certain conditions
  1. Poor Connector Connection
  2. HO2S
  3. Filter clogging of the fuel pump
  4. ECM
Enable Conditions
  • Fuel cut function disabled state
  • Not the maximum load state
  • Catalytic over-heating prevention inactive state
  • Battery voltage higher than 11V and lower than 16V
Threshold Value
  • Target lambda value is 0.8 (rich), HO2S (down) voltage lower than 0.75V (after P2096 detected)
Diagnostic Time
  • 7s after the target value of lambda is moved to the rich)
MIL ON Condition
  • 2 driving cycles